United Airlines TUL to IAH on-time performance
United Airlines nonstop flights from Tulsa to Houston · Aug 2025 – Jul 2026
On-time arrivals
88%
arrived < 15 min late
Cancelled
0.6%
2 flights
Avg arrival delay
9 min
66 min when late
Rank on route
#1 of 2
route average 84% on time
Key facts
- United Airlines flights on TUL to IAH arrived on time 88% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 5% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 84% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (51%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion51%
- Late-arriving aircraft35%
- Airline (crew, maintenance, cleaning, fueling)13%
- Extreme weather1%
- Security0%
Other airlines on TUL to IAH
- SkyWest Airlines82% on time · 16 min avg delay
Full TUL to IAH comparison →
United Airlines on-time record across all routes →
311 United Airlines flights tracked on this route; 2 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.